11444143 has 2 divisors, whose sum is σ = 11444144. Its totient is φ = 11444142.

The previous prime is 11444129. The next prime is 11444159. The reversal of 11444143 is 34144411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11444143 - 2⁹ = 11443631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11444443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5722071 + 5722072.

It is an arithmetic number, because the mean of its divisors is an integer number (5722072).

Almost surely, 2^11444143 is an apocalyptic number.

11444143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11444143 is an equidigital number, since it uses as much as digits as its factorization.

11444143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 22.

The square root of 11444143 is about 3382.9193014318. The cubic root of 11444143 is about 225.3518314491.

Adding to 11444143 its reverse (34144411), we get a palindrome (45588554).

The spelling of 11444143 in words is "eleven million, four hundred forty-four thousand, one hundred forty-three".